X2Go Bug report logs - #1533
Mac client: connection timeout 30 seconds after session start

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Message #5 received at submit@bugs.x2go.org (full text, mbox, reply):

From: Ricky Charlet <ricky.charlet@icloud.com>

To: submit@bugs.x2go.org

Cc: Ricky Charlet <ricky.charlet@icloud.com>

Subject: Mac client: connection timeout 30 seconds after session start

Date: Fri, 19 Mar 2021 09:47:04 -0700

[Message part 1 (text/plain, inline)]

Package: unknown
Version: 4.1.2.2


Howdy,

	When I connect from Mac client to ubuntu server, I get a “connection timeout” 30 seconds after “connection start.”  Other people can connect to my server.

Error message is:
Loop: WARNING! Overriding auxiliary X11 port with new value '1'.
Warning: Overriding auxiliary X11 port with new value '1'.
Info: Connecting to remote host 'localhost:36652'.
Info: Connected to remote proxy on FD#11.
Info: Connection with remote proxy completed.
Loop: WARNING! Unrecognized session type 'unix-kde-depth_32'. Assuming agent session.
Warning: Unrecognized session type 'unix-kde-depth_32'. Assuming agent session.
Info: Using ADSL link parameters 1408/24/1/0.
Info: Using cache parameters 4/4096KB/8192KB/8192KB.
Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_32'.
Info: Using ZLIB data compression 1/1/32.
Info: Using ZLIB stream compression 4/4.
Info: No suitable cache file found.
Info: Forwarding X11 connections to display '/private/tmp/com.apple.launchd.E12k8P0IX6/org.xquartz:0'.
Info: Forwarding auxiliary X11 connections to display '/private/tmp/com.apple.launchd.E12k8P0IX6/org.xquartz:0'.
Session: Session started at 'Fri Mar 19 09:38:16 2021'.
Connection timeout, abortingSession: Terminating session at 'Fri Mar 19 09:38:46 2021'.
Info: Waiting the cleanup timeout to complete.
Session: Session terminated at 'Fri Mar 19 09:38:47 2021'.



On the server, in /var/log/messages, I get what appears to be a success report:
Mar 19 09:38:16 hpnsw4371 /usr/bin/x2gostartagent: successfully started X2Go Agent session with ID charletr-50-1616171893_stDMATE_dp32


I have a tcpdump (is in an ssh tunnel, to a little vague) which shows client sending dup packet not quite, but almost 30 seconds into session attempt.
116	33.763841	15.116.49.166	16.99.147.244	SSHv2	108	Server: [TCP Spurious Retransmission] , Encrypted packet (len=64)
117	33.763941	16.99.147.244	15.116.49.166	TCP	56	[TCP Dup ACK 114#1] 64138 → 22 [ACK] Seq=3239 Ack=5027 Win=262144 Len=0 SLE=4963 SRE=5027


Client = MacOS 10.15.7 (Catalina…and due to corp policy, I cannot upgrade); x2go 4.1.2.2 with qt 4.8.7 with xquartz 2.7.11 with xorg 1.18.4

Server : x2goversion
: 1.0.2.4
: 0.0.1.6
: 4.1.0.3
: 4.1.0.3
: 4.1.0.3
: 4.1.0.3
: 4.1.0.3
: 3.5.99.22
: 4.1.0.3

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Message #10 received at 1533@bugs.x2go.org (full text, mbox, reply):

From: Ulrich Sibiller <uli42@gmx.de>

To: Ricky Charlet <ricky.charlet@icloud.com>, 1533@bugs.x2go.org

Cc: submit@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#1533: Mac client: connection timeout 30 seconds after session start

Date: Thu, 1 Apr 2021 13:44:47 +0200

Try to upgrade nxagent on the server to 3.5.99.26 and see it this
helps. See https://github.com/ArcticaProject/nx-libs/blob/3.6.x/README.md
for instructions where to find a current binary package.

Uli

On Fri, Mar 19, 2021 at 5:50 PM Ricky Charlet <ricky.charlet@icloud.com> wrote:
>
> Package: unknown
> Version: 4.1.2.2
>
>
> Howdy,
>
> When I connect from Mac client to ubuntu server, I get a “connection timeout” 30 seconds after “connection start.”  Other people can connect to my server.
>
> Error message is:
> Loop: WARNING! Overriding auxiliary X11 port with new value '1'.
> Warning: Overriding auxiliary X11 port with new value '1'.
> Info: Connecting to remote host 'localhost:36652'.
> Info: Connected to remote proxy on FD#11.
> Info: Connection with remote proxy completed.
> Loop: WARNING! Unrecognized session type 'unix-kde-depth_32'. Assuming agent session.
> Warning: Unrecognized session type 'unix-kde-depth_32'. Assuming agent session.
> Info: Using ADSL link parameters 1408/24/1/0.
> Info: Using cache parameters 4/4096KB/8192KB/8192KB.
> Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_32'.
> Info: Using ZLIB data compression 1/1/32.
> Info: Using ZLIB stream compression 4/4.
> Info: No suitable cache file found.
> Info: Forwarding X11 connections to display '/private/tmp/com.apple.launchd.E12k8P0IX6/org.xquartz:0'.
> Info: Forwarding auxiliary X11 connections to display '/private/tmp/com.apple.launchd.E12k8P0IX6/org.xquartz:0'.
> Session: Session started at 'Fri Mar 19 09:38:16 2021'.
> Connection timeout, abortingSession: Terminating session at 'Fri Mar 19 09:38:46 2021'.
> Info: Waiting the cleanup timeout to complete.
> Session: Session terminated at 'Fri Mar 19 09:38:47 2021'.
>
>
>
> On the server, in /var/log/messages, I get what appears to be a success report:
> Mar 19 09:38:16 hpnsw4371 /usr/bin/x2gostartagent: successfully started X2Go Agent session with ID charletr-50-1616171893_stDMATE_dp32
>
>
> I have a tcpdump (is in an ssh tunnel, to a little vague) which shows client sending dup packet not quite, but almost 30 seconds into session attempt.
> 116 33.763841 15.116.49.166 16.99.147.244 SSHv2 108 Server: [TCP Spurious Retransmission] , Encrypted packet (len=64)
> 117 33.763941 16.99.147.244 15.116.49.166 TCP 56 [TCP Dup ACK 114#1] 64138 → 22 [ACK] Seq=3239 Ack=5027 Win=262144 Len=0 SLE=4963 SRE=5027
>
>
> Client = MacOS 10.15.7 (Catalina…and due to corp policy, I cannot upgrade); x2go 4.1.2.2 with qt 4.8.7 with xquartz 2.7.11 with xorg 1.18.4
>
> Server : x2goversion
> : 1.0.2.4
> : 0.0.1.6
> : 4.1.0.3
> : 4.1.0.3
> : 4.1.0.3
> : 4.1.0.3
> : 4.1.0.3
> : 3.5.99.22
> : 4.1.0.3
>
>
> _______________________________________________
> x2go-dev mailing list
> x2go-dev@lists.x2go.org
> https://lists.x2go.org/listinfo/x2go-dev

Message #15 received at 1533@bugs.x2go.org (full text, mbox, reply):

From: Jan Wielemaker <jan@swi-prolog.org>

To: 1533@bugs.x2go.org

Subject: Mac client: connection timeout 30 seconds after session start

Date: Thu, 28 Oct 2021 22:22:47 +0200

Tried upgrading to 3.5.99.26, but this changes nothing.  MacOS client is 
4.1.2.2.  Server is Ubuntu 20.04.  After building nxagent I get

nxagent -version
NXAGENT - Version 3.5.99.26

The result stays the same: server started successfully, followed by a
timeout after 30 sec.  Connection using an Ubuntu 20.04 x2go client
works fine.

	Thanks --- Jan

Message #24 received at 1533@bugs.x2go.org (full text, mbox, reply):

From: "System Administrator"<kardiologia@jahndelpest.hu>

To: Recipients <kardiologia@jahndelpest.hu>

Subject: Aufmerksamkeit

Date: Wed, 19 Oct 2022 18:25:51 -0700

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